The men’s DELTAPEAK 165 Long Sleeve T-Shirt is a protective, breathable, quick-drying top perfect for endurance pursuits in both urban and outdoor settings. It features a double-knit Deltapeak mesh engineered to maintain its shape and resist snagging all while enhancing your freedom of movement. Flatlocked seams and set-in raglan sleeves combine with gusseted underarms and thumbholes for the perfect arm fit.